Billionaire-entrepreneur Elon Musk, who confirmed he was venturing into underground construction earlier this year, has started the construction of the first of what he says will be many tunnels in Los Angeles, California.

After extended periods of uncertainty and political upheaval, crude oil has finally started flowing the controversial Dakota Access Pipeline. The project, which utilised horizontal directional drilling (HDD) for several water crossings, had been in limbo until Donald Trump revitalised it as one of his first acts once taking the office of President.

Starting this afternoons session with a presentation on ‘Standards’ is Don Ridgers @donridgersltd. Don’s presentation will shortly be available to view on the UKSTT YouTube channel... Retweeted by Trenchless Int Mag